Tolong di kerjakan ya kak​

Jawaban:

3p+2q-4r

(3.-3)+(2.2)-(4.4)

-9+4-16

-21

Jawaban:

p = -3, q = 2, r = 4

=3p + 2q – 4r

= 3 (-3) + 2 (2) – 4 (4)

= -9 + 4 – 16

= -5 – 16

= -21 ✓